Sr Java Developer (AI-assisted coding)

Sr Java Developer (AI-assisted coding) Location: Kraków (hybrid) but remote might be discussed Contract: employment preferred but B2B might be discussed Employer: international fintech sector company   Tasks: • Modernise legacy services (Java code) using AI (as much hands-off as viable) and ship results quickly with use of AI • Work on high-impact legacy services that block divisional delivery speed • Use AI to analyse codebases, understand dependencies, and extract clean APIs • Use AI to accelerate every phase • Contribute to AI implementation & automation: implement Model Context Protocol (MCP), create AI-assisted CI/CD pipelines, build automation   Requirements: • 6+ years of experience in commercial Java backend development • Experience in AI-assisted coding • Have a software design knowledge, code reviewing skills and software integration experience • Experience with regulated sectors (preferably finance/fintech) and with complex multi-application environments • Nice to have experience with: code modernisation / refactoring, AI use in CI/CD pipelines, proving AI impact, sharing AI best practices with peers • Fluent in English